Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Securities - Investment Securities Continuous Unrealized Loss Position (Details)

v3.22.2.2
Note 4 - Securities - Investment Securities Continuous Unrealized Loss Position (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Debt securities available for sale, less than twelve months, gross unrealized losses $ (34,672) $ (3,393)
Debt securities available for sale, less than twelve months, fair value 483,719 370,172
Debt Securities Available for Sale, Twelve Months or More, Gross Unrealized Losses (27,237) (9)
Debt Securities, Available for Sale, Twelve Months or More, Fair Value 162,537 228
Debt Securities, Available for Sale, Gross Unrealized Losses (61,909) (3,402)
Debt Securities, Available for Sale, Fair Value 646,256 370,400
Debt Securities held to maturity less than twelve months, gross unrealized losses (89,360) (1,950)
Debt securities, held to maturity, Less Than Twelve Months, Fair Value 850,099 258,372
Debt Securities Held To Maturity, Twelve Months or More, Gross Unrealized Losses (17,203) 0
U.S. Treasury Securities 87,428 0
Debt Securities, Held To Maturity , Gross Unrealized Losses (106,563) (1,949)
Debt Securities,Held To Maturity, Fair Value 937,527 258,372
US Treasury Securities [Member]    
Debt securities available for sale, less than twelve months, gross unrealized losses (51)  
Debt securities available for sale, less than twelve months, fair value 5,952  
Debt Securities Available for Sale, Twelve Months or More, Gross Unrealized Losses 0  
Debt Securities, Available for Sale, Twelve Months or More, Fair Value 0  
Debt Securities, Available for Sale, Gross Unrealized Losses (51)  
Debt Securities, Available for Sale, Fair Value 5,952  
Debt Securities held to maturity less than twelve months, gross unrealized losses (31,859) (668)
Debt securities, held to maturity, Less Than Twelve Months, Fair Value 425,216 123,698
Debt Securities Held To Maturity, Twelve Months or More, Gross Unrealized Losses (6,325) 0
U.S. Treasury Securities 43,296 0
Debt Securities, Held To Maturity , Gross Unrealized Losses (38,184) (668)
Debt Securities,Held To Maturity, Fair Value 468,512 123,698
US Government Agencies Debt Securities [Member]    
Debt securities available for sale, less than twelve months, gross unrealized losses 0  
Debt securities available for sale, less than twelve months, fair value 9  
Debt Securities Available for Sale, Twelve Months or More, Gross Unrealized Losses 0  
Debt Securities, Available for Sale, Twelve Months or More, Fair Value 0  
Debt Securities, Available for Sale, Gross Unrealized Losses 0  
Debt Securities, Available for Sale, Fair Value 9  
Collateralized Mortgage-Backed Securities [Member]    
Debt securities available for sale, less than twelve months, gross unrealized losses (14,589) (2,685)
Debt securities available for sale, less than twelve months, fair value 131,223 303,297
Debt Securities Available for Sale, Twelve Months or More, Gross Unrealized Losses (21,938) 0
Debt Securities, Available for Sale, Twelve Months or More, Fair Value 126,344 0
Debt Securities, Available for Sale, Gross Unrealized Losses (36,528) (2,685)
Debt Securities, Available for Sale, Fair Value 257,568 303,297
Debt Securities held to maturity less than twelve months, gross unrealized losses (56,458) (1,271)
Debt securities, held to maturity, Less Than Twelve Months, Fair Value 418,140 134,192
Debt Securities Held To Maturity, Twelve Months or More, Gross Unrealized Losses (10,878) 0
U.S. Treasury Securities 44,132 0
Debt Securities, Held To Maturity , Gross Unrealized Losses (67,336) (1,271)
Debt Securities,Held To Maturity, Fair Value 462,272 134,192
US States and Political Subdivisions Debt Securities [Member]    
Debt securities available for sale, less than twelve months, gross unrealized losses (790) (61)
Debt securities available for sale, less than twelve months, fair value 9,952 5,198
Debt Securities Available for Sale, Twelve Months or More, Gross Unrealized Losses (870) (9)
Debt Securities, Available for Sale, Twelve Months or More, Fair Value 4,622 228
Debt Securities, Available for Sale, Gross Unrealized Losses (1,659) (70)
Debt Securities, Available for Sale, Fair Value 14,574 5,426
Debt Securities held to maturity less than twelve months, gross unrealized losses (1,043) (10)
Debt securities, held to maturity, Less Than Twelve Months, Fair Value 6,743 482
Debt Securities Held To Maturity, Twelve Months or More, Gross Unrealized Losses 0 0
U.S. Treasury Securities 0 0
Debt Securities, Held To Maturity , Gross Unrealized Losses (1,043) (10)
Debt Securities,Held To Maturity, Fair Value 6,743 482
Corporate Debt Securities [Member]    
Debt securities available for sale, less than twelve months, gross unrealized losses (19,242) (647)
Debt securities available for sale, less than twelve months, fair value 336,583 61,677
Debt Securities Available for Sale, Twelve Months or More, Gross Unrealized Losses (4,429) 0
Debt Securities, Available for Sale, Twelve Months or More, Fair Value 31,571 0
Debt Securities, Available for Sale, Gross Unrealized Losses (23,670) (647)
Debt Securities, Available for Sale, Fair Value $ 368,154 $ 61,677